
Hair Loss Treatment Comparison Tool
Select your criteria to compare hair loss treatments:
Anyone who’s stared at a bald spot in the mirror knows the frustration of picking a treatment that actually works. Finasteride vs alternatives is the question most men (and a growing number of women) ask when they start researching. This guide breaks down the science, the side‑effects, the price tag, and the real‑world results so you can decide which option fits your lifestyle and goals.
What is Finasteride (Fincar)?
When it comes to treating androgen‑related hair loss, Finasteride is a 5‑alpha‑reductase inhibitor that reduces dihydrotestosterone (DHT) levels in the scalp, slowing hair shedding and promoting regrowth. It is marketed in many countries under the brand name Fincar. The drug was first approved by the FDA in 1992 for benign prostatic hyperplasia (BPH) and later in 1997 for male‑pattern baldness (MPB) at a 1mg daily dose.
How Finasteride Works
Finasteride blocks the typeII isoform of the enzyme 5‑alpha‑reductase, which converts testosterone into the more potent DHT. DHT binds to hair‑follicle receptors, shortening the anagen (growth) phase and miniaturizing the shaft. By lowering scalp DHT by roughly 70%, finasteride gives follicles a chance to stay in the growth phase longer and thicken.
Top Alternatives to Finasteride
While finasteride remains the gold standard for oral therapy, several alternatives have gained traction. Below is a quick snapshot of the most common options.
- Dutasteride - a dual 5‑alpha‑reductase inhibitor (typeI+II) originally approved for BPH. It cuts DHT by up to 90% and is used off‑label for MPB.
- Minoxidil - a topical vasodilator that stimulates blood flow to hair follicles, encouraging growth. Available over‑the‑counter in 2% and 5% solutions.
- Spironolactone - a potassium‑sparing diuretic with anti‑androgen activity, mainly prescribed for women with androgenic alopecia.
- Saw Palmetto - a botanical extract believed to weakly inhibit 5‑alpha‑reductase. Popular in supplement form.
- Low‑Level Laser Therapy (LLLT) - devices that emit red‑light photons, purported to boost cellular metabolism in follicles.
- Platelet‑Rich Plasma (PRP) - an in‑office procedure where a patient’s own plasma, rich in growth factors, is injected into the scalp.
- Ketoconazole Shampoo - anti‑fungal wash that also reduces scalp inflammation and DHT locally.
Side‑Effect Profile at a Glance
Understanding side‑effects is crucial because they often dictate adherence. Below is a concise summary of the most reported issues for each option.
- Finasteride: sexual dysfunction (decreased libido, erectile difficulty), mood changes, rare breast tenderness.
- Dutasteride: similar sexual side‑effects but slightly higher incidence due to deeper DHT suppression.
- Minoxidil: scalp irritation, itching, unwanted facial hair in women.
- Spironolactone: menstrual irregularities, potassium imbalance, fatigue.
- Saw Palmetto: mild gastrointestinal upset, no severe systemic reactions reported.
- LLLT: negligible side‑effects, occasional eye strain if device used close to eyes.
- PRP: temporary redness, swelling, rare infection.
- Ketoconazole Shampoo: dry scalp, mild discoloration of hair.

Detailed Comparison Table
Attribute | Finasteride (Fincar) | Dutasteride | Minoxidil | Spironolactone | Saw Palmetto | LLLT | PRP | Ketoconazole Shampoo |
---|---|---|---|---|---|---|---|---|
Drug class / modality | 5‑α‑reductase inhibitor (oral) | Dual 5‑α‑reductase inhibitor (oral) | Topical vasodilator | Anti‑androgen diuretic (oral) | Botanical extract (oral) | Low‑level red‑light device | Autologous growth‑factor injection | Anti‑fungal shampoo |
FDA approval for MPB | Yes (1mg) | No (off‑label) | Yes (2%/5%) | No (off‑label for women) | No | No | No | No (off‑label) |
Typical efficacy (hair‑count increase) | ≈10-15% over 12mo | ≈15-20% (off‑label) | ≈5-10% (2%) / 10-15% (5%) | ≈5-8% (women) | ≈3-5% (studies mixed) | ≈5% (clinical trials) | ≈10-30% (varies by protocol) | ≈4-6% (adjunct) |
Common side‑effects | Sexual dysfunction, mood changes | Higher sexual side‑effects | Scalp irritation, unwanted hair | Hormonal changes, potassium rise | GI upset, rare | None reported | Redness, swelling | Dry scalp, mild discoloration |
Dosage / treatment schedule | 1mg oral daily | 0.5mg oral daily | Apply twice daily | 50-100mg oral daily (women) | 320mg extract daily | 3‑5min sessions, 2‑3×/wk | 3‑4 sessions, 1‑month intervals | 2‑3× weekly wash |
Average annual cost (US) | $150‑$200 | $200‑$250 | $120‑$180 | $300‑$400 | $70‑$100 | $600‑$1,200 (device) | $800‑$1,500 (procedure series) | $80‑$120 |
Pros and Cons of Each Option
Now that the numbers are in, let’s translate them into everyday decisions.
- Finasteride - Great for consistent, modest regrowth with a single pill. Best for men who can tolerate potential sexual side‑effects and want a low‑maintenance routine.
- Dutasteride - Stronger DHT suppression, higher regrowth odds, but also a higher chance of side‑effects. Ideal for men who didn’t see results with finasteride.
- Minoxidil - Only topical, so no systemic risks. Works well for early‑stage thinning and for women. Drawback: daily application and possible scalp irritation.
- Spironolactone - The go‑to oral for women with androgenic hair loss, especially if they also have acne or hirsutism. Must monitor blood potassium.
- Saw Palmetto - Low‑cost, plant‑based, minimal side‑effects. The trade‑off is modest efficacy; best used as an adjunct.
- LLLT - Non‑invasive, no meds needed. Works best when combined with minoxidil or finasteride. The upfront device cost can be steep.
- PRP - Offers noticeable thickening for some, especially after surgery. Requires clinic visits and can be pricey.
- Ketoconazole Shampoo - A useful add‑on for scalp health and mild DHT reduction. Not a stand‑alone solution.
How to Choose the Right Treatment for You
1. Identify your primary goal. If you want to halt rapid thinning on the crown, an oral DHT blocker (finasteride or dutasteride) often works fastest.
2. Consider gender and hormonal profile. Women usually avoid finasteride because of teratogenic risk and limited data; spironolactone or minoxidil are safer bets.
3. Assess your tolerance for side‑effects. If any chance of reduced libido bothers you, start with minoxidil or a low‑dose herbal supplement.
4. Budget reality. A daily pill costs a few dollars, while PRP or a laser device can run into hundreds. Factor in long‑term costs because hair‑loss treatment is usually a multi‑year commitment.
5. Combine wisely. Many clinicians recommend a combo of oral finasteride + topical minoxidil + occasional ketoconazole shampoo for synergistic results.
When to See a Professional
If you notice sudden patchy loss, scalp pain, or any systemic symptoms (e.g., persistent fatigue after starting a medication), schedule a dermatologist or trichologist visit. Blood work can rule out thyroid or iron deficiencies that mimic pattern baldness.
Key Takeaways
- Finasteride remains the benchmark oral therapy for male‑pattern baldness but isn’t a one‑size‑fits‑all.
- Alternatives range from stronger oral agents (dutasteride) to non‑drug options (LLLT, PRP) that suit different preferences and budgets.
- Side‑effect profiles and cost are the biggest decision drivers.
- Combination therapy often yields the best results-don’t feel forced to pick just one.

Frequently Asked Questions
Can women use finasteride?
Finasteride is not FDA‑approved for women and is contraindicated during pregnancy because it can affect fetal development. Some specialists prescribe low‑dose finasteride off‑label for post‑menopausal women, but the risk‑benefit balance should be reviewed carefully.
How long does it take to see results with finasteride?
Most users notice a slowdown in shedding within 3‑4months and measurable regrowth after 6‑12months of continuous use. Stopping the medication typically reverses the gains within a year.
Is dutasteride more effective than finasteride?
Clinical trials show dutasteride can reduce scalp DHT by up to 90% versus ~70% for finasteride, translating to slightly higher hair‑count gains. However, the side‑effect incidence-especially sexual dysfunction-tends to be higher.
Do natural supplements like saw palmetto work?
Saw palmetto shows modest DHT inhibition in lab studies, but human trials report mixed results, usually under 5% improvement. It’s safe for most people, making it a low‑risk add‑on rather than a primary solution.
What’s the best combo for maximum regrowth?
A widely endorsed regimen couples daily 1mg finasteride with twice‑daily 5% minoxidil, plus a twice‑weekly ketoconazole shampoo. Adding a laser cap or occasional PRP sessions can boost thickness further, especially for stubborn crown areas.
Jeremy Wolfe
September 29, 2025 AT 14:03 PM
Finasteride remains a solid first‑line option for men looking to halt the thinning process and regain a bit of confidence. It works by cutting the DHT production, which is the main driver of follicle miniaturisation. The 1 mg daily dose is cheap enough that most people can keep it on a budget without breaking the bank. In my experience, the biggest hurdle is the occasional dip in libido, but for many the trade‑off is worth the visible hair count increase. If you’re willing to stick with it for 6‑12 months, you’ll likely notice shedding slow down within the first quarter. Consistency is key; missing doses can cause DHT levels to bounce back quickly. Pairing it with a topical minoxidil can amplify the regrowth signal and give you a thicker look. Keep an eye on mood changes, because some users report mild depression, though it’s not universal. Regular blood work isn’t required, but a baseline hormone panel can help if you have other health concerns. The drug has been on the market for decades, so the safety profile is well‑documented, which is reassuring. For those who react poorly, dutasteride is a more potent alternative, albeit with a higher side‑effect ceiling. Remember, any oral DHT blocker is contraindicated for women who are pregnant or may become pregnant. If you’re under 25 and still in the early stages of hair loss, you might want to start with a topical before moving to a pill. The cost per year hovers around $150‑$200, making it one of the most affordable prescription solutions. Lastly, don’t forget that stopping the medication usually reverses the gains within a year, so think of it as a long‑term commitment.